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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4074–4077

Sensitivity enhancement in high resolution stimulated Raman spectroscopy of gases with hollow-core photonic crystal fibers

José Luis Doménech and Maite Cueto  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4074-4077 (2013)
http://dx.doi.org/10.1364/OL.38.004074


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Abstract

We show the first experimental evidence of the sensitivity enhancement that can be achieved in high resolution stimulated Raman spectroscopy of gases using hollow-core photonic crystal fibers (HCPCFs). Using low power cw lasers and a HCPCF containing the gas, we have observed more than four orders of magnitude enhancement of sensitivity when compared with the cw single focus regime, and a similar sensitivity to that achieved in the more sensitive quasi-cw setups with multipass cells.

© 2013 Optical Society of America

OCIS Codes
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(290.5910) Scattering : Scattering, stimulated Raman
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(300.6450) Spectroscopy : Spectroscopy, Raman
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Spectroscopy

History
Original Manuscript: June 28, 2013
Revised Manuscript: August 12, 2013
Manuscript Accepted: September 3, 2013
Published: October 7, 2013

Citation
José Luis Doménech and Maite Cueto, "Sensitivity enhancement in high resolution stimulated Raman spectroscopy of gases with hollow-core photonic crystal fibers," Opt. Lett. 38, 4074-4077 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4074


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